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[sel-yuh-loid] /ˈsɛl yəˌlɔɪd/
a tough, highly flammable substance consisting essentially of cellulose nitrate and camphor, used in the manufacture of motion-picture and x-ray film and other products.
motion-picture film.
Informal. of or involving motion pictures.
Origin of celluloid
former trademark; cellul(ose) + -oid Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for celluloid
Contemporary Examples
Historical Examples
  • Good thing I didn't have on a celluloid collar or 'twould have bust into a blaze.

    Mary-'Gusta Joseph C. Lincoln
  • When the celluloid is put into the solution it will dissolve it.

  • For other purposes, steel, hard rubber, and celluloid have taken its place.

    Commercial Geography

    Jacques W. Redway
  • Sheets of celluloid prepared for sketching are invaluable in sketching in the rain.

  • That if a spark hits a celluloid collar, the collar will explode.

    The American Credo George Jean Nathan
British Dictionary definitions for celluloid


a flammable thermoplastic material consisting of cellulose nitrate mixed with a plasticizer, usually camphor: used in sheets, rods, and tubes for making a wide range of articles
  1. a cellulose derivative used for coating film
  2. one of the transparent sheets on which the constituent drawings of an animated film are prepared
  3. a transparent sheet used as an overlay in artwork
  4. cinema film
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for celluloid

transparent plastic made from nitro-celluloses and camphor, 1871, trademark name (reg. U.S.), a hybrid coined by U.S. inventor John Wesley Hyatt (1837-1900) from cellulose + Greek-based suffix -oid. Used figuratively for "motion pictures" from 1934. Abbreviated form cell "sheet of celluloid" is from 1933 (cf. cel).

Online Etymology Dictionary, © 2010 Douglas Harper
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